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Analysis

  • max time kernel
    58s
  • max time network
    72s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 03:43

General

  • Target

    6b80cdcee4ce1b93b57a9c070cda2068620fef1ec2a8d3b4fd454fb98bcea30e.exe

  • Size

    336KB

  • MD5

    9cf192286c184146ec556d879f6e0655

  • SHA1

    f27ebdb2bb77ad292701bd9a2873143b5b5cf9c8

  • SHA256

    6b80cdcee4ce1b93b57a9c070cda2068620fef1ec2a8d3b4fd454fb98bcea30e

  • SHA512

    fd9caa2768b8199de85d04375b43f6afaec52019358ea489758077c16c86a159138fdaf128cab3bb4375679b1c6d4a70ffd279714eeb328312d8ab7f432405de

  • SSDEEP

    6144:LY56LCD4nLgnjk/LBNnyRQz9f/VrhgdJoux:LYMG4LzbzF9lCJB

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b80cdcee4ce1b93b57a9c070cda2068620fef1ec2a8d3b4fd454fb98bcea30e.exe
    "C:\Users\Admin\AppData\Local\Temp\6b80cdcee4ce1b93b57a9c070cda2068620fef1ec2a8d3b4fd454fb98bcea30e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Yhrbio.exe
      "C:\Yhrbio.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\290.vbs"
        3⤵
          PID:2032
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\9958.vbs"
        2⤵
        • Deletes itself
        PID:992
    • C:\Windows\360sb.exe
      C:\Windows\360sb.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1732

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\290.vbs

      Filesize

      500B

      MD5

      d4e2f4de2a16dfb0924956d03786e10a

      SHA1

      b953fa2bcf8796ffcb306f84165066f294c7a78c

      SHA256

      1501442aa88dfee6795ece983e4e7c4cc790464c33ef0ad9305ee288e532d970

      SHA512

      a88ebb2b9918262d965191ea9a092c12d894c4ce4d1f559b4096125a00c280e3a0a539f0c40b6ff81b6e9032f6815b1dc7a8109a29f49b6040d1f92eebd3a5be

    • C:\9958.vbs

      Filesize

      500B

      MD5

      5b79c24aba47fb72744e1f258e008c3c

      SHA1

      a8f705e39cc26e89ffce2e49a37f66baf4ccf306

      SHA256

      23b315d28e330de5c796ef7f492231feca6cb30877514ed65419ab1e48b5feae

      SHA512

      3516d993b1042175c456bc89ef59fa8ead7bbd1d562873c10bb4fe749d02589801cb1814f82f7879fe1046dbfc31ce8e2ea57ccedbd39034b21c6b16e65c9aec

    • C:\Windows\360sb.exe

      Filesize

      336KB

      MD5

      9cf192286c184146ec556d879f6e0655

      SHA1

      f27ebdb2bb77ad292701bd9a2873143b5b5cf9c8

      SHA256

      6b80cdcee4ce1b93b57a9c070cda2068620fef1ec2a8d3b4fd454fb98bcea30e

      SHA512

      fd9caa2768b8199de85d04375b43f6afaec52019358ea489758077c16c86a159138fdaf128cab3bb4375679b1c6d4a70ffd279714eeb328312d8ab7f432405de

    • C:\Yhrbio.exe

      Filesize

      336KB

      MD5

      9cf192286c184146ec556d879f6e0655

      SHA1

      f27ebdb2bb77ad292701bd9a2873143b5b5cf9c8

      SHA256

      6b80cdcee4ce1b93b57a9c070cda2068620fef1ec2a8d3b4fd454fb98bcea30e

      SHA512

      fd9caa2768b8199de85d04375b43f6afaec52019358ea489758077c16c86a159138fdaf128cab3bb4375679b1c6d4a70ffd279714eeb328312d8ab7f432405de

    • C:\Yhrbio.exe

      Filesize

      336KB

      MD5

      9cf192286c184146ec556d879f6e0655

      SHA1

      f27ebdb2bb77ad292701bd9a2873143b5b5cf9c8

      SHA256

      6b80cdcee4ce1b93b57a9c070cda2068620fef1ec2a8d3b4fd454fb98bcea30e

      SHA512

      fd9caa2768b8199de85d04375b43f6afaec52019358ea489758077c16c86a159138fdaf128cab3bb4375679b1c6d4a70ffd279714eeb328312d8ab7f432405de

    • memory/1840-54-0x0000000076401000-0x0000000076403000-memory.dmp

      Filesize

      8KB